It’s what people on Mac, Windows, and Linux use instead when there’s no available access to Microsoft Office. Free, open-source alternatives such as LibreOffice produce the ODF file. One of the most notable features that will undoubtedly resonate with the late-night essay writing crowd is that Word, Excel, and PowerPoint will have Open Document Format (ODF) 1.3 support. Some updates include general performance improvements and updated Draw tabs across the board. You can check the list of Office 2021 features on the official Microsoft support page. If you choose to go with the Office license instead of a subscription, you still get some of the collaboration features available in the cloud-based Microsoft 365, including real-time co-authoring, OneDrive support, and direct Teams integration.